summaryrefslogtreecommitdiffstats
path: root/llvm/lib/CodeGen/RegAllocFast.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocFast.cpp')
-rw-r--r--llvm/lib/CodeGen/RegAllocFast.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegAllocFast.cpp b/llvm/lib/CodeGen/RegAllocFast.cpp
index 6d7b5f4b656..b8b05a9f60d 100644
--- a/llvm/lib/CodeGen/RegAllocFast.cpp
+++ b/llvm/lib/CodeGen/RegAllocFast.cpp
@@ -1104,6 +1104,10 @@ bool RAFast::runOnMachineFunction(MachineFunction &Fn) {
while (*Defs)
MRI->setPhysRegUsed(*Defs++);
+ // All machine operands and other references to virtual registers have been
+ // replaced. Remove the virtual registers.
+ MRI->clearVirtRegs();
+
SkippedInstrs.clear();
StackSlotForVirtReg.clear();
LiveDbgValueMap.clear();
OpenPOWER on IntegriCloud